layout/base/tests/chrome/transformed_scrolling_repaints_3_window.html@6474c204b198 (annotated)
layout/base/tests/chrome/transformed_scrolling_repaints_3_window.html
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | <!DOCTYPE HTML> |
| michael@0 | 2 | <html> |
| michael@0 | 3 | <head> |
| michael@0 | 4 | <title>Test that scaled elements with scrolled contents don't repaint unnecessarily when we scroll inside them</title> |
| michael@0 | 5 | <script type="text/javascript" src="chrome://mochikit/content/tests/SimpleTest/paint_listener.js"></script> |
| michael@0 | 6 | </head> |
| michael@0 | 7 | <!-- Need a timeout here to allow paint unsuppression before we start the test --> |
| michael@0 | 8 | <body onload="setTimeout(startTest,0)" style="background:white;"> |
| michael@0 | 9 | <iframe id="t" style="-moz-transform: scale(0.48979); -moz-transform-origin:top left; width:500px; height:300px;" |
| michael@0 | 10 | src="data:text/html, |
| michael@0 | 11 | <body style='background:yellow;'> |
| michael@0 | 12 | <p>My graduate adviser was the most patient, understanding, and helpful |
| michael@0 | 13 | person I've ever had the joy of dealing with. That doesn't change that |
| michael@0 | 14 | there are some real dicks out there, and some of them happen to be |
| michael@0 | 15 | scientists. |
| michael@0 | 16 | <p id='e'>My graduate adviser was the most patient, understanding, and helpful |
| michael@0 | 17 | person I've ever had the joy of dealing with. That doesn't change that |
| michael@0 | 18 | there are some real dicks out there, and some of them happen to be |
| michael@0 | 19 | scientists. |
| michael@0 | 20 | <p>My graduate adviser was the most patient, understanding, and helpful |
| michael@0 | 21 | person I've ever had the joy of dealing with. That doesn't change that |
| michael@0 | 22 | there are some real dicks out there, and some of them happen to be |
| michael@0 | 23 | scientists. |
| michael@0 | 24 | <p>My graduate adviser was the most patient, understanding, and helpful |
| michael@0 | 25 | person I've ever had the joy of dealing with. That doesn't change that |
| michael@0 | 26 | there are some real dicks out there, and some of them happen to be |
| michael@0 | 27 | scientists. |
| michael@0 | 28 | <p>My graduate adviser was the most patient, understanding, and helpful |
| michael@0 | 29 | person I've ever had the joy of dealing with. That doesn't change that |
| michael@0 | 30 | there are some real dicks out there, and some of them happen to be |
| michael@0 | 31 | scientists. |
| michael@0 | 32 | <p>My graduate adviser was the most patient, understanding, and helpful |
| michael@0 | 33 | person I've ever had the joy of dealing with. That doesn't change that |
| michael@0 | 34 | there are some real dicks out there, and some of them happen to be |
| michael@0 | 35 | scientists. |
| michael@0 | 36 | </body>"></iframe> |
| michael@0 | 37 | <pre id="test"> |
| michael@0 | 38 | <script type="application/javascript"> |
| michael@0 | 39 | var SimpleTest = window.opener.wrappedJSObject.SimpleTest; |
| michael@0 | 40 | var SpecialPowers = window.opener.wrappedJSObject.SpecialPowers; |
| michael@0 | 41 | var is = window.opener.wrappedJSObject.is; |
| michael@0 | 42 | |
| michael@0 | 43 | var smoothScrollPref = "general.smoothScroll"; |
| michael@0 | 44 | SpecialPowers.setBoolPref(smoothScrollPref, false); |
| michael@0 | 45 | |
| michael@0 | 46 | function startTest() { |
| michael@0 | 47 | var t = document.getElementById("t"); |
| michael@0 | 48 | var e = t.contentDocument.getElementById("e"); |
| michael@0 | 49 | t.contentWindow.scrollTo(0,0); |
| michael@0 | 50 | var utils = window.QueryInterface(Components.interfaces.nsIInterfaceRequestor). |
| michael@0 | 51 | getInterface(Components.interfaces.nsIDOMWindowUtils); |
| michael@0 | 52 | var iterations = 0; |
| michael@0 | 53 | |
| michael@0 | 54 | function nextIteration() { |
| michael@0 | 55 | var painted = utils.checkAndClearPaintedState(e); |
| michael@0 | 56 | is(painted, false, "Fully-visible scrolled element should not have been painted"); |
| michael@0 | 57 | if (++iterations == 10) { |
| michael@0 | 58 | SpecialPowers.clearUserPref(smoothScrollPref); |
| michael@0 | 59 | SimpleTest.finish(); |
| michael@0 | 60 | window.close(); |
| michael@0 | 61 | } else { |
| michael@0 | 62 | t.contentWindow.scrollByLines(1); |
| michael@0 | 63 | waitForAllPaintsFlushed(nextIteration); |
| michael@0 | 64 | } |
| michael@0 | 65 | } |
| michael@0 | 66 | |
| michael@0 | 67 | // Do a couple of scrolls to ensure we've triggered activity heuristics. |
| michael@0 | 68 | waitForAllPaintsFlushed(function () { |
| michael@0 | 69 | t.contentWindow.scrollByLines(1); |
| michael@0 | 70 | waitForAllPaintsFlushed(function () { |
| michael@0 | 71 | t.contentWindow.scrollByLines(1); |
| michael@0 | 72 | waitForAllPaintsFlushed(function () { |
| michael@0 | 73 | // Clear paint state now and scroll again. |
| michael@0 | 74 | utils.checkAndClearPaintedState(e); |
| michael@0 | 75 | t.contentWindow.scrollByLines(1); |
| michael@0 | 76 | waitForAllPaintsFlushed(nextIteration); |
| michael@0 | 77 | }); |
| michael@0 | 78 | }); |
| michael@0 | 79 | }); |
| michael@0 | 80 | } |
| michael@0 | 81 | </script> |
| michael@0 | 82 | </pre> |
| michael@0 | 83 | </body> |
| michael@0 | 84 | </html> |
